Re: How on Earth did the Supremes come up with that interpretation???
The decision of the ECHR judges may have a basis in Europe's practical experience of how benignly collected data on everyone can be used by a future government for malign purposes.
The Snooper's Charter browser data collections will be of great use to a future government that wishes to round up all potential political dissenters - just like Turkey is doing. May for President to rule by decree - that's the power she seems to desire.